2667275642 has 4 divisors (see below), whose sum is σ = 4000913466. Its totient is φ = 1333637820.

The previous prime is 2667275603. The next prime is 2667275683. The reversal of 2667275642 is 2465727662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1392857041 + 1274418601 = 37321^2 + 35699^2 .

It is a super-2 number, since 2×2667275642² = 14228718700813024328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666818909 + ... + 666818912.

Almost surely, 2^2667275642 is an apocalyptic number.

2667275642 is a deficient number, since it is larger than the sum of its proper divisors (1333637824).

2667275642 is a wasteful number, since it uses less digits than its factorization.

2667275642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333637823.

The product of its digits is 1693440, while the sum is 47.

The square root of 2667275642 is about 51645.6739911486. The cubic root of 2667275642 is about 1386.8281006452.

The spelling of 2667275642 in words is "two billion, six hundred sixty-seven million, two hundred seventy-five thousand, six hundred forty-two".